Motorola V3 GSM Phone book

When I press the down key the phone book is diplayed for a brief moment this is also the same when I enter the main menu and select phone book the display is but a brief moment.
your help would be appreciated.
Regards Tony Trigg 0418766527

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You can change GSM frequencies to 900/1800 by entering the enginnering
model.
Following the below steps:
enter menu and press 048263* quickly,
then you will enter the secret engineering menu under "Opcode"
input 10*0*3 for GSM 900
10*0*4 for GSM 1800
10*0*5 for GSM 1900
10*0*6 for dual band GSM 900/1800
10*0*7 for dual band GSM 850/1900

You can change GSM frequencies to 900/1800 by entering the enginnering model. Following the below steps: enter menu and press 048263* quickly, then you will enter the secret engineering menu under "Opcode" input 10*0*3 for GSM 900 10*0*4 for GSM 1800 10*0*5 for GSM 1900 10*0*6 for dual band GSM 900/1800 10*0*7 for dual band GSM 850/1900

You can change GSM frequencies to 900/1800 by entering the enginnering
model.
Following the below steps:
enter menu and press 048263* quickly,
then you will enter the secret engineering menu under "Opcode"
input 10*0*3 for GSM 900
10*0*4 for GSM 1800
10*0*5 for GSM 1900
10*0*6 for dual band GSM 900/1800
10*0*7 for dual band GSM 850/1900

There are lots of similar codes exist. If you change the last number to 0 you can deactive that code. The 3 digit number at the middle are from 0 to 999. I put the most interesting codes. (EFR):Enhanced Full Rate Codec.

You can change GSM frequencies to 900/1800 by entering the enginnering model. Following the below steps:enter menu and press 048263* quickly, then you will enter the secret engineering menuunder "Opcode"input 10*0*3 for GSM 90010*0*4 for GSM 180010*0*5 for GSM 190010*0*6 for dual band GSM 900/180010*0*7 for dual band GSM 850/1900

*#06# for checking the IMEI (International Mobile Equipment Identity).*#7780# reset to factory settings.*#67705646# This will clear the LCD display*#0000# To view software version.*#2820# Bluetooth device address.*#746025625# Sim clock allowed status.*#62209526# - Display the MAC address of the WLAN adapter. This is available only in the newer devices that supports WLAN like N80#pw+1234567890+1# Shows if sim have restrictions.

*#92702689# - takes you to a secret menu where you may find some of the information below:1. Displays Serial Number.2. Displays the Month and Year of Manufacture3. Displays (if there) the date where the phone was purchased (MMYY)4. Displays the date of the last repair - if found (0000)5. Shows life timer of phone (time passes since last start)

*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.*#4720# - Half Rate Codec activation.*#4720* - Half Rate Codec deactivation. The phone will automatically restart

If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345

Change closed caller group (settings >security settings>user groups) to 00000 and ure phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (works with some of the Nokia phones.)